Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -1119,10 +1119,10 @@
       return LT_ImportStatement;
     }
 
-    // In .proto files, top-level options are very similar to import statements
-    // and should not be line-wrapped.
+    // In .proto files, top-level options and package statements are very
+    // similar to import statements and should not be line-wrapped.
     if (Style.Language == FormatStyle::LK_Proto && Line.Level == 0 &&
-        CurrentToken->is(Keywords.kw_option)) {
+        CurrentToken->isOneOf(Keywords.kw_option, Keywords.kw_package)) {
       next();
       if (CurrentToken && CurrentToken->is(tok::identifier)) {
         while (CurrentToken)
Index: unittests/Format/FormatTestProto.cpp
===================================================================
--- unittests/Format/FormatTestProto.cpp
+++ unittests/Format/FormatTestProto.cpp
@@ -397,6 +397,16 @@
                "};");
 }
 
+TEST_F(FormatTestProto, DoesntWrapPackageStatements) {
+  verifyFormat(
+      "package"
+      " some.really.long.package.that.exceeds.the.column.limit00000000;");
+}
+
+TEST_F(FormatTestProto, TrailingCommentAfterPackage) {
+  verifyFormat("package foo.pkg;  // comment\n");
+}
+
 TEST_F(FormatTestProto, FormatsService) {
   verifyFormat("service SearchService {\n"
                "  rpc Search(SearchRequest) returns (SearchResponse) {\n"